Horan's lived in Ireland, Indiana, and Ohio

Iam looking for any information about my gg grandparents.My gg grandfather first name unknown last name Horan married a Bridget O'Hara, she was born in Ireland. I don't know if they were married before they came to the usa, and Iam having trouble finding anyinfo on them at all. I do know they had at least one son Charles Horan my great grandfather. He was born in 1882 died 1951, he married Mable Muir.Their children were James Robert Horan b.May 18, 1916 d.Feb. 5, 1983, Hazel Horan b. 1911 d. 1991, and Charles Horan Jr. I don't have any dates for him.Mable Muir died sometime after the year 1916, and Charles remarriedher name was Edith last name unknown.The Horans lived in Milan, Indiana and Norwood, Ohio.Anyinformation would be greatly appreciated. Thanks.